Extreme Heat and Humidity Conditions
Van Alstyne is currently under the influence of dangerous heat and oppressive humidity. The air temperature stands at 91F, but the heat index makes it feel like 105F. This significant disparity is driven by a dew point of 77F and a relative humidity of 63%, creating a muggy atmosphere that can quickly lead to heat-related illnesses. Winds are currently blowing from the south southeast at 8 mph, with gusts reaching 6 mph, offering little relief from the stagnant, hot air. The sky remains mostly clear, allowing the sun to intensify the heat throughout the afternoon.
Forecast for Today and Tomorrow
Today, the heat will persist with a high near 90F. The National Weather Service indicates a high chance of showers and thunderstorms, with precipitation chances at 43%. While rain may offer temporary relief, new rainfall amounts are expected to be less than a tenth of an inch. Heat index values could reach as high as 103F during the day. Winds will shift to the south southeast around 10 mph.
Tonight, conditions will become mostly cloudy with a low around 76F. The chance of precipitation increases to 60%, with showers and thunderstorms likely between 7pm and 4am. Earlier in the evening, before 7pm, there is a chance for these storms. Heat index values may climb to 102F. Residents can expect new rainfall amounts between a quarter and half of an inch. Winds will ease to the east southeast at 5 to 10 mph.
Tomorrow, the heat will continue with a high near 91F. Partly sunny skies are expected, with a chance of showers and thunderstorms before 1pm. The precipitation chance is 40%, with potential rainfall between a tenth and a quarter of an inch. Heat index values will be as high as 100F. Winds will be from the south at 5 to 10 mph. Tomorrow night, skies will clear to mostly clear with a low around 77F and heat index values near 100F.



